Dayco 3PK814EE Serpentine Belt - Water Pump

Reliable Serpentine Belt for Mazda Vehicles

The Dayco 3PK814EE serpentine belt is engineered to meet the demands of Mazda models including the 3, 3 Sport, 6, CX-5, CX-30, CX-70, and CX-90. Designed with durable EPDM material and a precise K-section cross section, this belt ensures consistent performance under varying temperature conditions.

• Constructed from EPDM4 material for enhanced durability
• Top width of 0.40 inches with a 3-rib straight rib profile
• Effective length options of 32.047 inches (814 mm) and free length of 31.3 inches (795.020 mm)
• Operates reliably between -45°C to 212°F (-42.7°C to 100°C)
• Complies with SAE J1459 standards for accessory drive belts

About the Dayco Supersedes E030313 Product Line

The Supersedes E030313 line from Dayco focuses on replacement serpentine belts designed to match or exceed original equipment specifications. The 3PK814EE part number within this line offers a K-section cross section and a standard rib depth, providing a balance of flexibility and strength suitable for various Mazda accessory drive systems.

Technical Details and Performance

This serpentine belt features a black EPDM4 rubber compound known for resistance to heat, ozone, and wear. The 3-rib straight rib design ensures optimal grip and power transmission to engine accessories. With a top width of 0.40 inches and a K-section cross section, the belt maintains proper tension and alignment, reducing slippage and noise. Its effective length of 814 mm (32.047 inches) fits specific Mazda models, ensuring compatibility and reliable operation.

Compatible Mazda Models and Applications

• Mazda 3 and 3 Sport
• Mazda 6
• Mazda CX-5
• Mazda CX-30
• Mazda CX-70
• Mazda CX-90

This serpentine belt is used in the accessory drive system to power components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Serpentine Belt

• Worn or cracked belts causing slipping or noise
• Loss of power to engine accessories
• Overheating due to belt failure
• Reduced fuel efficiency from improper belt tension
• Premature belt wear from exposure to extreme temperatures

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Check pulleys and tensioners for wear or damage to prevent premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. Inspect the belt periodically for signs of wear or damage, especially in high-mileage vehicles.

Quality Assurance and Warranty

Dayco serpentine belts comply with SAE J1459 standards, ensuring reliable performance and durability. The 3PK814EE belt is manufactured to meet strict quality controls for consistent fit and function. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.